﻿<template>
  <div>
    <!--  面包屑-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>添加商品</el-breadcrumb-item>
    </el-breadcrumb>
    <!--    卡片-->
    <el-card>
<!--      头部提示信息-->
      <el-alert title="添加商品信息" type="info" center show-icon :closable="false"></el-alert>
<!--    步骤条-->
      <el-steps :space="200" :active="activeIndex - 0" finish-status="success" align-center>
        <el-step title="基本信息"></el-step>
        <el-step title="商品参数"></el-step>
        <el-step title="商品属性"></el-step>
        <el-step title="商品图片"></el-step>
        <el-step title="商品内容"></el-step>
        <el-step title="完成"></el-step>
      </el-steps>
      <!--      tab标签-->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="100px" label-position="top">
        <el-tabs v-model="activeIndex" :tab-position="'left'" :before-leave="beforeTabLeave" @tab-click="tabChange">
          <el-tab-pane label="基本信息" name="0">
            <el-form-item label="商品名称" prop="goods_name">
              <el-input v-model="addForm.goods_name"></el-input>
            </el-form-item>
            <el-form-item label="商品价格" prop="goods_price">
              <el-input v-model="addForm.goods_price" type="number"></el-input>
            </el-form-item>
            <el-form-item label="商品重量" prop="goods_weight">
              <el-input v-model="addForm.goods_weight" type="number"></el-input>
            </el-form-item>
            <el-form-item label="商品数量" prop="goods_number">
              <el-input v-model="addForm.goods_number" type="number"></el-input>
            </el-form-item>
            <el-form-item label="商品分类" prop="goods_cat">
              <el-cascader v-model="addForm.goods_cat" :options="cateList"
                :props="propsGood" @change="handleChange">
              </el-cascader>
            </el-form-item>
          </el-tab-pane>
          <el-tab-pane label="商品参数" name="1">
            <el-form-item :label="item.attr_name" v-for="item in manyTableData" :key="item.attr_id">
              <el-checkbox-group v-model="item.attr_vals">
                <el-checkbox :label="item2" v-for="(item2,i2) in item.attr_vals" :key="i2" border></el-checkbox>
              </el-checkbox-group>
            </el-form-item>
          </el-tab-pane>
          <el-tab-pane label="商品属性" name="2">
            <el-form-item :label="item.attr_name" :key="item.attr_id" v-for="(item) in onlyTableData">
              <el-input v-model="item.attr_vals"></el-input>
            </el-form-item>
          </el-tab-pane>
          <el-tab-pane label="商品图片" name="3">
            <el-upload
              :action="uploadURL" :headers="Header" :on-preview="handlePreview"
              :on-remove="handleRemove" :on-success="handleSucess"
              list-type="picture">
              <el-button size="small" type="primary" >点击上传</el-button>
            </el-upload>
          </el-tab-pane>
          <el-tab-pane label="商品内容" name="4">
            <quill-editor v-model="addForm.goods_introduce"></quill-editor>
            <el-button type="primary" class="AddBtn" @click="addGoods">添加商品</el-button>
          </el-tab-pane>
        </el-tabs>
      </el-form>
    </el-card>
    <!--    预览对话框-->
    <el-dialog title="提示" :visible.sync="picDialogVisible" width="50%">
      <img :src="picPathURL" alt="" class="picImg">
    </el-dialog>
  </div>
</template>

<script>
import _ from 'lodash'
export default {
  name: 'AddGood',
  data () {
    return {
      activeIndex: '0',
      // 添加商品表单
      addForm: {
        goods_name: '',
        goods_price: 0,
        goods_weight: 0,
        goods_number: 0,
        goods_cat: [],
        pics: [],
        goods_introduce: '',
        attrs: []
      },
      // 添加商品表单规则
      addFormRules: {
        goods_name: [
          { required: true, message: '请输入商品名称', trigger: 'blur' }
        ],
        goods_price: [
          { required: true, message: '请输入商品价格', trigger: 'blur' }
        ],
        goods_weight: [
          { required: true, message: '请输入商品重量', trigger: 'blur' }
        ],
        goods_number: [
          { required: true, message: '请输入商品数量', trigger: 'blur' }
        ],
        goods_cat: [
          { required: true, message: '请选择商品分类', trigger: 'blur' }
        ]
      },
      // 商品分类列表，级联选择器
      cateList: [],
      // 商品分类，级联选择器的配置选项
      propsGood: {
        expandTrigger: 'hover',
        label: 'cat_name',
        value: 'cat_id',
        children: 'children'
      },
      // 动态参数列表数据
      manyTableData: [],
      // 静态属性列表数据
      onlyTableData: [],
      // 上传图片的url
      uploadURL: 'http://www.ysqorz.top:8888/api/private/v1/',
      // 上传图片的请求头
      Header: {
        Authorization: window.sessionStorage.getItem('token')
      },
      // 图片对话框的显示变量
      picDialogVisible: false,
      // 上传图片的URL
      picPathURL: ''
    }
  },
  created () {
    this.getCateList()
  },
  methods: {
    async getCateList () {
      const { data: res } = await this.$http.get('categories')
      // console.log(res)
      if (res.meta.status !== 200) return this.$message.error('获取商品分类列表失败')
      this.cateList = res.data
    },
    // 级联选择器里面改变数据时候
    handleChange () {
      if (this.addForm.goods_cat.length !== 3) {
        this.addForm.goods_cat = []
      }
    },
    // 切换标签也之前做的函数
    beforeTabLeave (activeName, oldActiveName) {
      // console.log(this.addForm)
      if (oldActiveName === '0' && this.addForm.goods_cat.length !== 3) {
        this.$message.error('请选择商品分类')
        return false
      }
    },
    // 切换标签触发事件
    async tabChange () {
      if (this.activeIndex === '1') {
        const { data: res } = await this.$http.get('categories/' + this.selectCateId + '/attributes',
          { params: { sel: 'many' } })
        if (res.meta.status !== 200) return this.$message.error('获取参数失败')
        this.manyTableData = res.data
        this.manyTableData.forEach(item => {
          item.attr_vals = item.attr_vals.length === 0 ? [] : item.attr_vals.split(' ')
        })
        console.log(this.manyTableData)
      } else if (this.activeIndex === '2') {
        const { data: res } = await this.$http.get('categories/' + this.selectCateId + '/attributes', { params: { sel: 'only' } })
        if (res.meta.status !== 200) return this.$message.error('获取参数失败')
        this.onlyTableData = res.data
        console.log(this.onlyTableData)
      }
    },
    // 处理图片预览
    handlePreview (file) {
      console.log(file)
      this.picPathURL = file.response.data.url
      this.picDialogVisible = true
    },
    // 移除图片处理
    handleRemove (file) {
      console.log(file)
      const filePath = file.response.data.tmp_path
      const i = this.addForm.pics.findIndex(x => {
        x.pics = filePath
      })
      this.addForm.pics.splice(i, 1)
      console.log(this.addForm)
    },
    // 图片上传成功
    handleSucess (response) {
      console.log(response)
      const picInfo = { pic: response.data.tmp_path }
      this.addForm.pics.push(picInfo)
      console.log(this.addForm)
    },
    // 点击添加商品触发的事件
    addGoods () {
      // console.log(this.addForm)
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return this.$message.error('表单验证失败')
        const form = _.cloneDeep(this.addForm)
        form.goods_cat = form.goods_cat.join(',')
        // 处理动态参数
        this.manyTableData.forEach(item => {
          const manyInfo = {
            attr_id: item.attr_id,
            attr_value: item.attr_vals.join(' ')
          }
          this.addForm.attrs.push(manyInfo)
        })
        // 处理静态属性
        this.onlyTableData.forEach(item => {
          const onlyInfo = {
            attr_id: item.attr_id,
            attr_value: item.attr_vals
          }
          this.addForm.attrs.push(onlyInfo)
        })
        console.log(this.addForm)
        form.attrs = this.addForm.attrs
        console.log(form)
        const { data: res } = await this.$http.post('goods', form)
        console.log(res)
        if (res.meta.status !== 201) return this.$message.error('添加商品失败')
        this.$message.success('添加成功')
        this.$router.push('/goods')
      })
    }
  },
  computed: {
    selectCateId () {
      if (this.addForm.goods_cat.length === 3) return this.addForm.goods_cat[2]
      else return null
    }
  }
}
</script>

<style lang="less" scoped>
.el-checkbox{
  margin: 0 5px 0 0 !important;
}
.picImg{
  width: 100%;
}
.AddBtn{
  margin-top: 10px;
}
</style>
